Tank-heater.



H. A. BARRETT.

TANK HEATER.

APPLICATION f|LEn,DEc.30.-191^s.

L Patendmg, 21, 1917.

7j@ n j lll lill

To all 107mm 'it may concern.'

"apparatus for the stated purpose by which the body of `the heater', as well as the outlet pipe7 will be employed to radiate heat in order to keep the water at the desired temperature, and afurther objectof the invention to providea novel fuel basket and grate whereby the ashes and other deposits may be readily withdrawn from the bodyr of the heater without requiring the removal of the heater from the tank. i

The drawings illustratea device in which theseveral objects of the invention are at-` tained and the invention resides `in, certain novel featureswhieh will be flirst fully dee scribed and thenpartieularly pointed out in the appended claims.

ln the drawings, i p H Figure 1 isa longitudinal verticalisection of a heatershowing the same yin position in a tank, i Fig. 2 is a detail perspective' view ofthe fuel basket or grate.` 1 ln carrying out my invention, I employ a body 1 which is preferably rectangular and of cast metal wherebyit will be free of seams which might permit waterfroin the tank'to leakinto the heater. `This bodyt has an open top upon which may be placedA a cover 2 and has a flat bottom 3 which is adapted to rest upon the bottom or floor et of a tank 5. Any 'convenient means may be employed to secure the heater to the door of the tank or to feet or timbers which will support the heater above the floor of the tank as obvious; In one end of the body 1, and immediately adjacent the bottom or lower end 3, I provide a port or opening 6 which establishes communication between the interior of the heater body and a fresh air flue 7 which is formed upon the outer slide of the end wall containing the said port oropening, This flue may be p specification of ratei-gratui. pafnted Alle, 21, Application filed December 30, 1916i SerialiNa 139,870.

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ririaelvr "BARRETLQOF KNoxvILLE, ILLINOIS.

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formed finteg al with theheater body or may i be` secured jto; the same, as may seem most desirable, and it may be of any desired shape, but l prefer to make it rectangular having its width eoualvto the width of the end wall of the` heater body and they port or opening@ will be of like dimensions so as to permit the entrance of air to the heater in sufficient quantities to support combustion. In the opposite end wall ,of the heater body andV near `but below the top thereof 1s an outlet opening 8 which establishes communication betweenfthe interior of the heater and the smoke flue 9 which extends laterally from the heater an appreciable distance so that the heatof saidflue may radiate through the water surrounding the saine, it being particularly noted that the opening 8 is so located as to be normally below the level 'of the waterv in the tank. The outer end of the flue 9 is turned upwardly, as shown at 10, andis carried to a stack 11 which may extend toany desired distance and serves to carry ofi the smoke or other products of combustion.

To hold the fuel, I employ a basketror grate 12 which may be a single integral structure and presents an upper rim 13 `of such dimensions and formas to fit closely within the heater body. Aslotted or perforated `bottom 14:, which is similar in form to the upper rim 13, but of less dimensions, is provideih so that the spaced end bars 15 and sidebars 1G will be inclined down` wardly'froni the top to the bottom of the grate, as clearly shown in the drawings. Vihon thebasket is ink position. the formation of the saine provides ample space` for therlow of air upwardly through the body of fuel and also at the sides of the .same so that la draft will be created through every 'portion of the bed of fuel and the fire properly supported. Upon the side portions of the upper rim 13, adjacent the ends thereof, are perforated lugs or ears 17 in which are pivoted the long baile or handle members 18 by which the grate may be placed in or withdrawn from the heater. The fuel basket or grate is supported in'spaced relation to the bottoni of the heater by the ash pan 19 and is preferably connected with said pan so thatthe pan and the grate will be withdrawn from the heater together. rllhe ash pain consists of a suitably shaped hollow body open, as shown at 20, at that end which will be disposed adjacent'the opening 6 so that the fresh air flowing down through the inlet flue 7 and escaping4 tlnfoughl .the said opening 6 will be permitted Vto spread under the entire bed of fuel and then rise through the same. Inasmuch, however,l as the two sides, and, the opposite end Wall `are closed, the ashes will be caughtin and held lby the pan so that when the fuel :basket is withdrawn from the heater, the ash pan Will also be lifted andthe .heater thereby `cleared of accumulated ashes. To connectl the ash pan with :the grate, I provi-de bolts21` Which are fitted inthe bottom ofthe ash pan and project through the bottom of kthe grate, being equipped with nutsQQ at their upper ends which are turnedl home againstgthe upper surface vof the 4bottom of l'the grate "and thereby rigid-ly secure the grate Vvand ash pan together.

From the foregoing description, taken connection with the .'laccompanying draw-- ings, it will 'be' readily .notedy that I' have provided an exceedingly simple and eilicient `device which ymay be submerged Within a tank and which will -main-taingthe Water at the `desired temperature with an economii cal consumption of fuel. rxThe entire. heater and the outletfl'ue are submerged so that the entire heated surface of the device will radiate heat into theiv-ater and, consequently, a less `amount offuel will be eonsume'dfin y maintaining the Water against freezing than is lthe case with heaters previously employed so faras I am aware. `I-Ieretofore, the 'smoke flue rose from heater and was not submerged so that the heat 1n the flue was y Wasted, whereas all the heat generatedr in my device is radiated into the Water. "The fuel `is placed in thel fuel basket or grate'andthe said basket lor grate, with the ash pan 19 connected therewith, vlowered into the heater body.r The fuel may be ignited either before or after the grate is placed Within the heater, and afterthe cover is placed on the heater body the draft orA circulation of -air will be necessarily idownward through the inlet flue 7 then 'through the body of fuel and upwardly to the'outlet flue so'thatr'a The easily Withdrawn and the ashes dumped oiit.\vithoi1.t reducing the heat or losing any fuel. The time required for the oper-ation is sofsho-rtv that 'athereavill be no appreciable reduction in the temperature of the heater .body orflue.

Havingthus described the invention, what is claimed as new is: y

l.' In a tank heater, a heater body., adfraft iiue opening` through one portion of the bottom Wall ofthe body, a smokefiue leading `from the 4opposite side ,of the body., a fuel basket'having -foraminous sides kand ends, andan ash pan .supporting the said basket, the ash pan including a bottom, side Walls, and an end Wallupon the upper edges of which walls the' bottom of the said basket rests, :thel fuel basket at its top bein-g of dimensionsY to fit Within the body and the sides and ends of the basket being inclined inwardly toward its bottom, and the said ashl pan being-of less Width ,and length than the said body .of ltheheater whereby toI provide airspaces surroundin-gthe lWalls of the ash pan to .permit passageof air currents upwardly through the foraminous sides and ends of the said fuel basket.

2. =In a tank heater, a heater body having aninlet flue and a smoke flue, an. ash pan disposed Within the' body and having a bottom, side walls, and anend Wall, a fuel basket disposed with its bottom resting upon the upper edges .of the said walls `of the ash pan, the bottom of the fuel basket being slotted, a bolt passed upwardly through the bottom of the said ash pan vwitlrits `upper end entering the slot in the bottom .of the fuel..basket, and a-nut threaded on to the bolt and bearing against the uppei-.side of the said bottom ofv thei basket at the opposite sides of one of the slots therein.

In testimony whereof I aiiiX my signature.

HIRAM A. BARRETT. [1.. a]

Qopies of ythis .patent :may 'be obtained fory ve .cents eai'fhahypaddressing` the YCommis,sinnerk of Patents.

' ;Wshngtoi1,19.i0. 

